Casing Size

Hole Size

Max O.D.

in.

in.

mm

in.

4-1/2

6

146.1

5.752

5

6- 1/2

158.8

6.252

5-1/2

8-1/2

209.6

8.252

7

8-1/2

209.6

8.252

7-5/8

9-1/2

235

9.252

9-5/8

12-1/4

304.8

12 000

10-3/4

12-1/4

304.8

12.000

13-3/8

16

400

15.748

13-3/8

17-1/2

438

17.244